@LuxuryMode, why not write that up as an answer?
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Isaac MosesJan 4 '13 at 20:24

2

...and reopened (although I have half a mind to leave it closed till after Shabbat). LuxuryMode, I still recommend speaking with a Rabbi and not relying solely on what you read here from a bunch of anonymous internet strangers.
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Double AA♦Jan 4 '13 at 20:24

2 Answers
2

The problem occurred to me when I was visiting Japan. I went to the manager of the hotel on Friday and explained the issues. He directed me to one of the non-electronic doors which he would leave open over a generous time window when I expected to be coming in and out.

This also worked in another smaller hotel in Japan where we used the staff entrance on Shabbos and ended up the wrong side of the reception desk (!).

'Technically' by walking in front of them, even 'piggybacking' when the infra hits you, it resets the timer for the doors to close. there really is no avoidance to this, especially if there is a fire alarm on the back door, and the windows are barred.

Since there is no way around it, Ultraorthodox will avoid having reservations at such hotels.

Your options would be to not use it at all, or to do so.

Your responsibility would be to ask YOUR rabbi, as there are different views between rabbinic studies and sects of Judaism, or communities.

Since automatic doors were not invented until late, different opinions will vary.

As I've been taught, you should follow the teachings of your local Rav. If he doesn't know, its his responsibility to talk to higher chain in command. If another Rav contradicts him, then you must still follow your Rav's teaching, as diferent optinions will turn to different outcomes. Since we do not have a Sanhendrin anymore, there is no one specific law for this question

So overall your answer is: maybe and you should ask a Rabbi?
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Double AA♦May 14 '13 at 16:25

The answer is obviously NO, but for life treatning circumstances it is permitted. However, if you by accident booked a room in a hotel which has these sensors, you can ask the mangement to leave the back door open
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Ess KayMar 4 '14 at 16:07